Definition of Invertebrate

1. Noun. Any animal lacking a backbone or notochord; the term is not used as a scientific classification.


2. Adjective. Lacking a backbone or spinal column. "Worms are an example of invertebrate animals"
Exact synonyms: Spineless
Category relationships: Zoological Science, Zoology
Antonyms: Vertebrate

Definition of Invertebrate

1. a. Destitute of a backbone; having no vertebræ; of or pertaining to the Invertebrata.

Definition of Invertebrate

1. Noun. An animal without vertebrae, i.e. backbone. ¹

2. Adjective. Lacking a backbone. ¹

¹ Source: wiktionary.com

Definition of Invertebrate

1. [n -S]

Medical Definition of Invertebrate

1. Destitute of a backbone; having no vertebrae; of or pertaining to the Invertebrata. One of the Invertebrata. Age of invertebrates. See Age, and Silurian. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Invertebrate

inversion pairs
inversion recovery
inversion table
inversion tables
inversion therapy
inversionless
inversions
inversive
invert soap
invert sugar
invertase
invertases
invertebral
invertebrata
invertebrate (current term)
invertebrate foot
invertebrate hormones
invertebrated
invertebrates
inverted
inverted-snobbery
inverted breve
inverted breves
inverted caret
inverted carets
inverted circumflex
inverted comma
inverted cone bur
inverted exclamation point

Literary usage of Invertebrate

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Annals and Magazine of Natural History by William Jardine (1853)
"On the Mechanism of Aquatic Respiration and on the Structure of the Organs of Breathing in invertebrate Animals. By THOMAS WILLIAMS, MD Lond., Licentiate of ..."

2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1907)
"LAD A LABORATORY MANUAL OF invertebrate ZOOLOGY. BY OILMAN A. DREW, Ph.D., Professor of Biology in the University of Maine; in charge of Zoological ..."

3. A Text-book of Geology: For Use in Universities, Colleges, Schools of by Louis Valentine Pirsson, Charles Schuchert (1915)
"It rep- ;he closing period of the Early Paleozoic sub-era, during te marine invertebrate animals were the highest expression Fully 1000 species are known ..."

4. Report of the Annual Meeting (1861)
"On the invertebrate Fauna of the Lower Oolites of Oxfordshire. By JF The following brief sketch of the invertebrate obtained from the Great Oolite, ..."

5. Science by American Association for the Advancement of Science (1916)
"ER DUNN SCIENTIFIC BOOKS Morphology of invertebrate Types. By ALEXANDER PETRUNKEVITCH. The Macmillan Company, New York. 1916. Under this title Professor ..."

6. Science by American Association for the Advancement of Science (1896)
"The accompanying invertebrate fossils have thrown little light on the question, which is essentially whether the great Lignite series of the West is ..."

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